WO2022174508A1 - Oil and gas major infrastructure multi-disaster type event coupling three-dimensional simulation system - Google Patents

Oil and gas major infrastructure multi-disaster type event coupling three-dimensional simulation system Download PDF

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WO2022174508A1
WO2022174508A1 PCT/CN2021/086301 CN2021086301W WO2022174508A1 WO 2022174508 A1 WO2022174508 A1 WO 2022174508A1 CN 2021086301 W CN2021086301 W CN 2021086301W WO 2022174508 A1 WO2022174508 A1 WO 2022174508A1
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accident
module
oil
major
infrastructure
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PCT/CN2021/086301
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French (fr)
Chinese (zh)
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陈国华
周利兴
门金坤
罗琛南
饶小惠
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华南理工大学
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Priority to US17/786,543 priority Critical patent/US20230325551A1/en
Publication of WO2022174508A1 publication Critical patent/WO2022174508A1/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/10—Geometric CAD
    • G06F30/18—Network design, e.g. design based on topological or interconnect aspects of utility systems, piping, heating ventilation air conditioning [HVAC] or cabling
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/04—Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063—Operations research, analysis or management
    • G06Q10/0637—Strategic management or analysis, e.g. setting a goal or target of an organisation; Planning actions based on goals; Analysis or evaluation of effectiveness of goals
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/067—Enterprise or organisation modelling
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/06—Energy or water supply
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2113/00—Details relating to the application field
    • G06F2113/08—Fluids
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2113/00—Details relating to the application field
    • G06F2113/14—Pipes

Definitions

  • the invention relates to the field of accident simulation, in particular to a multi-hazard accident coupling three-dimensional simulation system for major oil and gas infrastructure.
  • the invention provides a multi-hazard accident coupling three-dimensional simulation system for major oil and gas infrastructure.
  • the system is used to predict the accident development link, analyze the most likely propagation path and evolution time of the accident under the coupling of multiple disasters, simulate the accident propagation link and accident consequences, and provide decision support for the development of emergency rescue operations.
  • the present invention is achieved through the following technical solutions.
  • a multi-hazard accident coupling three-dimensional simulation system for major oil and gas infrastructure comprising an accident three-dimensional simulation module, an accident chain evolution prediction module, a model module and a database module,
  • the accident three-dimensional simulation module and the accident chain evolution prediction module are signally connected to the model module and the database module respectively; and the accident three-dimensional simulation module and the accident chain evolution prediction module are signally connected; wherein,
  • the three-dimensional accident simulation module is used for the mirror mapping of the basic scene of oil and gas storage and transportation major infrastructure and the generation of three-dimensional accident consequences;
  • the accident chain evolution prediction module is used to predict the multi-hazard coupling accident scenario of the domino accident of major oil and gas infrastructure caused by the Natech accident;
  • the model module is used to provide a model for the accident three-dimensional simulation module and the accident chain evolution prediction module;
  • the database module is used to provide real-time data for the accident three-dimensional simulation module and the accident chain evolution prediction module.
  • the accident three-dimensional simulation module includes a basic scene generation module and an accident consequence simulation module
  • the basic scene generation module is used to realize the mirror mapping of major infrastructures for oil and gas storage and transportation, including geographic information, building distribution, and transportation facilities. , the appearance of large equipment and the surrounding environment (such as the sky, topography), etc.
  • the accident consequence simulation module is used to simulate the consequences of the domino accident of major oil and gas infrastructure caused by the Natech accident and the multi-hazard coupling accident consequences.
  • the basic scene generation module includes an oblique photographing unit, a laser point cloud unit and a three-dimensional modeling unit, and the oblique photographing unit is used for 3D mapping of outdoor basic scenes of major infrastructure for oil and gas storage and transportation, and the laser point cloud The unit is used for refined modeling of indoor basic scenes of major infrastructure for oil and gas storage and transportation, and the 3D modeling unit is used for supplementary modeling of underground and above-ground basic scenes of major oil and gas storage and transportation infrastructure.
  • the accident consequence simulation module includes an accident consequence calculation unit and an accident consequence visualization unit, the accident consequence calculation unit is used for calculating the accident result, and the accident consequence visualization unit is used for performing dynamic simulation according to the accident result.
  • the accident result includes the scope of the accident, the number of possible casualties and property damage.
  • the accident consequence visualization unit renders the dynamic accident consequences of diffusion, flame, explosion, shock wave and high-speed debris around the corresponding equipment in the major infrastructure scene of oil and gas storage and transportation according to the accident consequences calculated by the accident consequence calculation unit.
  • the model module includes a coupled probability model unit and an accident consequence model unit
  • the coupled probability model unit includes the damage models of the hazard factors of various types of disasters for the main facilities in the major infrastructure for oil and gas storage and transportation, so
  • the accident consequence model unit described above contains accident consequence calculation models for various types of disasters.
  • the database module includes an IoT perception library, a geographic information library, a scene library and a hazardous chemical information library, wherein,
  • the IoT perception library is used to store sensor data of various perception devices in major oil and gas infrastructure scenarios
  • the GIS geographic information database is used to store the geographic information of buildings and equipment on the map;
  • the scene library is used to store three-dimensional models of various structures and equipment and facilities, which can be called by the three-dimensional simulation module of the accident;
  • the hazardous chemical library is used to store physical and chemical property information corresponding to various hazardous chemicals in the major infrastructure for oil and gas storage and transportation.
  • the database module also includes a management information base and an enterprise base, wherein,
  • the management information base is used to store platform login account information
  • the enterprise database is used for storing enterprise management data.
  • the sensor data stored in the IoT perception library includes static data and dynamic data.
  • this system On the basis of the existing Natech accident analysis method, this system identifies the multi-hazard coupling link of the Natech accident in the major infrastructure of oil and gas storage and transportation, and can identify all potential accident links.
  • This system integrates oblique photography, laser point cloud and 3D modeling software technology, which can realize accurate and realistic restoration of outdoor, indoor and underground facilities of major infrastructure for oil and gas storage and transportation.
  • This system can analyze the probability and consequences of accidents in each unit under the coupling of multiple disasters in daily management, and provide a basis for the reasonable arrangement of safety protection facilities and emergency evacuation drills; in the emergency rescue stage after the accident occurs , the most likely propagation path and evolution time of the accident under the coupling of multiple disasters, and provide decision support for the development of emergency rescue operations.
  • FIG. 1 is a schematic structural diagram of the multi-hazard accident coupling three-dimensional simulation system for major oil and gas infrastructures according to the present invention.
  • FIG. 2 is a schematic diagram of the accident chain evolution prediction module of the present invention.
  • FIG. 3 is a schematic diagram of element classification in the scene library of the present invention.
  • an embodiment of the present invention provides a multi-hazard accident coupling three-dimensional simulation system for major oil and gas infrastructure, including four modules, namely an accident three-dimensional simulation module 1, an accident chain evolution prediction module 2, and a model module 3. And the database module 4, the accident three-dimensional simulation module 1 and the accident chain evolution prediction module 2 are respectively connected with the model module 3 and the database module 4 signal; and the accident three-dimensional simulation module 1 and the accident chain evolution prediction module 2 are signally connected.
  • the model module 3 is used to provide a calculation model for the accident three-dimensional simulation module 1 and the accident chain evolution prediction module 2 , and includes a coupled probability model unit 31 and an accident consequence model unit 32 .
  • the coupled probability model unit 31 includes any natural disasters such as lightning, floods, typhoons, earthquakes and other technical disasters known to those skilled in the art, and the hazard factors of technical disasters such as shock waves, thermal radiation, high-speed debris, etc.
  • the probability of failure of each equipment can be calculated, combined with the Natech accident evolution event tree of oil and gas major infrastructure (see Figure 2) to predict the accident link, calculate the probability of each accident link, and output the maximum probability value.
  • the accident link, the relevant link prediction can use any link prediction method known to those skilled in the art, such as the prediction method based on Monte Carlo simulation, the prediction method based on Bayesian network, the prediction method based on cellular automata Wait.
  • the accident consequence model unit 32 includes any accident consequence calculation model known to those skilled in the art, such as a gas leakage calculation model, a gas diffusion model, a liquid leakage model, a pool fire accident consequence model, a jet fire accident consequence model, a fireball model, Flash fire model, steam cloud explosion model, boiling gas extended steam explosion accident model, etc.
  • a gas leakage calculation model such as a gas leakage calculation model, a gas diffusion model, a liquid leakage model, a pool fire accident consequence model, a jet fire accident consequence model, a fireball model, Flash fire model, steam cloud explosion model, boiling gas extended steam explosion accident model, etc.
  • the database module 4 is used to provide real-time data for the accident three-dimensional simulation module 1 and the accident chain evolution prediction module 2 in the system, including the management information database 41, the Internet of Things perception database 42, the geographic information database 43, the enterprise database 44, the scene database 45 and the danger database. Chemical Information Library 46.
  • the management information base 41 is used to store platform login account information.
  • the IoT perception library 42 is used to store sensor data of various perception devices in major oil and gas infrastructure scenarios, specifically including static data such as the type, nature, vulnerability target, number of monitoring devices, locations, and monitoring objects in the scenario, and Real-time dynamic data such as the number of hazard sources and weather information around the scene.
  • the GIS geographic information database 43 is used to store detailed geographic information of buildings and equipment on the map.
  • the scene library 45 is used to store the 3D models of various common structures, equipment and facilities of major oil and gas storage and transportation infrastructures built in advance by modeling software such as 3Ds Max and CAD.
  • the 3D models built in advance can be freely moved, scaled and rotated. It can be called quickly when the 3D modeling unit 113 is modeling.
  • the scene library 45 includes three types of elements, namely background elements, accident scene elements and custom body elements.
  • Background elements include common scene elements such as sky, green space, water source, rain and snow, thunder and lightning, floods, storms, etc.; accident scene elements include terrain, structures, equipment and facilities, underground pipe corridors and other special scene elements for oil and gas major infrastructure; custom The shape module contains common custom points, custom lines, custom planes, and custom cubes for decorating 3D scenes.
  • the hazardous chemicals information database 46 is used to store physical and chemical property information corresponding to various hazardous chemicals in major oil and gas storage and transportation infrastructures, such as melting point, boiling point, flash point, flash point, and other relevant physical and chemical information in the field.
  • the accident 3D simulation module 1 receives various data and information from the accident chain evolution prediction module 2, the model module 3 and the database module 4, which are used for the mirror mapping of major infrastructure scenarios of oil and gas storage and transportation and the generation of 3D accident consequences, showing the Natech accident
  • a multi-hazard coupled accident scenario causing a domino accident in major oil and gas infrastructure includes a basic scenario generation module 11 and an accident consequence simulation module 12 .
  • the basic scene generation module 11 is used to realize the mirror mapping of major oil and gas storage and transportation infrastructure, including geographic information, building distribution, transportation facilities, large equipment appearance and surrounding environment (such as sky, topography), etc.; accident consequence simulation module 12 is used to simulate the consequences of multi-hazard coupling accidents caused by the Natech accident in major oil and gas infrastructure domino accidents.
  • the basic scene generation module 11 includes an oblique photography unit 111 , a laser point cloud unit 112 and a three-dimensional modeling unit 113 , and these three units jointly generate a basic scene of major infrastructure for oil and gas storage and transportation.
  • the oblique photographing unit 111 is the main generation technology for outdoor basic scenes.
  • the drone flight platform is equipped with multiple sensors to synchronously collect images from different angles, and comprehensively perceive complex scenes in a large-scale, high-precision and high-definition way, which can quickly realize the detection of complex scenes.
  • the laser point cloud unit 112 is the main generation technology for indoor scenes, using 3D laser scanning technology to scan indoor scenes, and denoising, compressing and smoothing the formed point cloud data , combined with the GIS geographic information database 43 of major infrastructure for oil and gas storage and transportation, the refined modeling of indoor basic scenes of major infrastructure for oil and gas storage and transportation can be realized;
  • the three-dimensional modeling unit 113 is the main generation technology for underground scenes and important supplementary technology for other scenes , using modeling software such as 3Ds Max, CAD, etc. to perform 3D modeling of the accident scene in advance to generate a scene library 45, and call the model in the scene library 45 to perform 3D modeling of the underground basic scene of the accident scene.
  • the accident consequence simulation module 12 is used for simulating the multi-hazard coupled accident consequence of the major oil and gas infrastructure domino accident caused by the Natech accident in the oil and gas storage and transportation major infrastructure infrastructure scenario, and includes an accident consequence calculation unit 121 and an accident consequence visualization unit 122.
  • the accident consequence calculation unit 121 according to the accident chain with the highest probability determined by the accident chain evolution prediction module 2 and the accident type and accident consequence corresponding to each equipment, combined with the basic information database 46 of hazardous chemicals and the accident consequence model unit 32 corresponding to the accident.
  • the calculation model calculates the accident results such as the scope of the accident, the number of possible casualties, and property losses;
  • the accident consequence visualization module 122 according to the data calculated by the accident consequence calculation unit 121, uses the particle system in the 3D engine to implement major infrastructure foundations for oil and gas storage and transportation. Dynamic accident consequences such as diffusion, flames, explosions, shock waves, and high-speed debris are rendered around the corresponding equipment in the scene.
  • the accident chain evolution prediction module 2 is used to predict the multi-hazard coupled accident scenario of the major oil and gas infrastructure domino accident caused by the Natech accident.
  • the evolution of major oil and gas infrastructure Natech accidents is shown in Figure 2.
  • Natural disasters such as typhoons, floods, earthquakes, lightning, etc., act on oil and gas storage and transportation equipment, causing them to fail.
  • the leakage of gas-phase hazardous substances and liquid-phase hazardous substances further leads to various accidents, and the coupling between various types of accidents and natural disasters may cause the failure of surrounding equipment and facilities, resulting in long-chain accidents in the scene.
  • VCE vapor cloud explosion
  • BLEVE boiling liquid vapor explosion accident
  • the dangerous substance is flammable gas, but no ignition source is encountered, it may cause flash fire Accident, the accident will ignite the adjacent equipment by means of thermal radiation; if the dangerous substance is only toxic and harmful gas, it will lead to a pool fire accident, and the pool fire accident will induce an accident in the adjacent equipment by means of thermal radiation, etc., which may lead to pool fire, Jet fire, Boiling Liquid Vapor Explosion (BLEVE) and other accident types.
  • this embodiment comprehensively considers the multi-hazard coupling link of Natech accidents in major oil and gas storage and transportation infrastructures, analyzes the probability of accidents and accident consequences of each unit under the multi-hazard coupling, and conducts multi-hazards Domino accident risk assessment under this kind of coupling, integrating oblique photography, laser point cloud and 3D modeling software technology, to achieve accurate and realistic restoration of outdoor, indoor and underground facilities of major oil and gas storage and transportation infrastructure; in daily management, analysis The probability and consequences of accidents in each unit under the coupling of multiple disasters are analyzed, which provides a basis for the rational arrangement of safety protection facilities and emergency evacuation drills; in the emergency rescue stage after the accident, the most likely accidents under the coupling of multiple disasters are analyzed. The propagation path and evolution time provide decision support for the development of emergency rescue operations.

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Abstract

An oil and gas major infrastructure multi-disaster type event coupling three-dimensional simulation system, which comprises an event three-dimensional simulation module (1), an event chain evolution prediction module (2), a model unit (3), and a database module (4). The event three-dimensional simulation module (1) and the event chain evolution prediction module (2) respectively establish signal connections with the model unit (3) and the database module (4); and the event three-dimensional simulation module (1) establishes a signal connection with the event chain evolution prediction module (2). All potential event link possibilities are identified on the basis of a current analytical method for natech events and accounting for natech event multi-disaster type coupling links for oil and gas storage and transport major infrastructure; the probability of an event occurring by each unit as well as a consequence of said event in a multi-disaster type coupling scenario is analyzed during normal management, and bases for sensible arrangement of a safety facility as well as emergency evacuation drilling are provided; and for an emergency rescue stage after an event occurs, a most likely path of spreading and evolution time for an event in a multi-disaster type coupling scenario is analyzed, and decision-making support for carrying out an emergency rescue operation is provided.

Description

一种油气重大基础设施多灾种事故耦合三维仿真系统A multi-hazard accident coupling 3D simulation system for major oil and gas infrastructure 技术领域technical field
本发明涉及事故仿真领域，尤其涉及一种油气重大基础设施多灾种事故耦合三维仿真系统。 The invention relates to the field of accident simulation, in particular to a multi-hazard accident coupling three-dimensional simulation system for major oil and gas infrastructure.
背景技术Background technique
随着重特大自然灾害频发，极易引发关键装置发生火灾、爆炸或者危险化学品泄漏扩散事故，这类事故被称为 Natech 事件（Natural events triggering a technological scenario），这些事故产生的热辐射、超压或碎片除了会对周边邻近装置产生破坏外，还会与自然灾害因子发生耦合作用，导致更复杂、更严重的破坏致灾过程。地震、台风、洪水、雷电和地质灾害事故等一旦引发多灾种耦合事故，极有可能对油气储运重大基础设施及周边人员造成难以承受的破坏，给经济发展和社会稳定造成巨大威胁，属于典型的高影响低概率事件。现有的事故仿真系统以计算单一的事故后果为主，未能综合考虑自然灾害和技术灾难同时作用下造成油气重大基础处设施事故后果升级。With the frequent occurrence of serious natural disasters, it is very easy to cause fire, explosion or leakage and diffusion of dangerous chemicals in key devices. Such accidents are called Natech events (Natural events). Triggering a technological scenario), the thermal radiation, overpressure or debris generated by these accidents will not only cause damage to the surrounding adjacent devices, but also have a coupling effect with natural disaster factors, resulting in more complex and serious damage and disaster-causing processes. Earthquakes, typhoons, floods, lightning, and geological disasters, once multi-disaster coupling accidents are triggered, are likely to cause unbearable damage to major oil and gas storage and transportation infrastructure and surrounding personnel, and pose a huge threat to economic development and social stability. Typical high impact low probability event. The existing accident simulation system mainly calculates a single accident consequence, and fails to comprehensively consider the escalation of the accident consequence of the major oil and gas infrastructure caused by the simultaneous action of natural disasters and technical disasters.
技术解决方案technical solutions
本发明提供一种油气重大基础设施多灾种事故耦合三维仿真系统。该系统用于预测事故发展链路，分析出多灾种耦合下事故最可能的传播路径和演化时间，模拟事故传播链路及事故后果，为应急救援行动的开展提供决策支持。The invention provides a multi-hazard accident coupling three-dimensional simulation system for major oil and gas infrastructure. The system is used to predict the accident development link, analyze the most likely propagation path and evolution time of the accident under the coupling of multiple disasters, simulate the accident propagation link and accident consequences, and provide decision support for the development of emergency rescue operations.
本发明通过下述技术方案实现.The present invention is achieved through the following technical solutions.
一种油气重大基础设施多灾种事故耦合三维仿真系统，包括事故三维仿真模块、事故链演化预测模块、模型模块和数据库模块，A multi-hazard accident coupling three-dimensional simulation system for major oil and gas infrastructure, comprising an accident three-dimensional simulation module, an accident chain evolution prediction module, a model module and a database module,
所述事故三维仿真模块和所述事故链演化预测模块分别与所述模型模块及所述数据库模块信号相连；且所述事故三维仿真模块和所述事故链演化预测模块信号相连；其中，The accident three-dimensional simulation module and the accident chain evolution prediction module are signally connected to the model module and the database module respectively; and the accident three-dimensional simulation module and the accident chain evolution prediction module are signally connected; wherein,
所述事故三维仿真模块用于油气储运重大基础设施基础场景的镜像映射和三维事故后果的生成；The three-dimensional accident simulation module is used for the mirror mapping of the basic scene of oil and gas storage and transportation major infrastructure and the generation of three-dimensional accident consequences;
所述事故链演化预测模块用于预测Natech事故引发油气重大基础设施多米诺事故多灾种耦合事故场景；The accident chain evolution prediction module is used to predict the multi-hazard coupling accident scenario of the domino accident of major oil and gas infrastructure caused by the Natech accident;
所述模型模块用于为所述事故三维仿真模块和所述事故链演化预测模块提供模型；The model module is used to provide a model for the accident three-dimensional simulation module and the accident chain evolution prediction module;
所述数据库模块用于为所述事故三维仿真模块和所述事故链演化预测模块提供实时数据。The database module is used to provide real-time data for the accident three-dimensional simulation module and the accident chain evolution prediction module.
进一步的，所述事故三维仿真模块包括基础场景生成模块和事故后果仿真模块，所述基础场景生成模块用于实现对油气储运重大基础设施的镜像映射, 包括地理信息、建筑物分布、交通设施、大型设备形貌及周边环境（如天空、地形地貌）等，所述事故后果仿真模块用于模拟Natech事故引发油气重大基础设施多米诺事故多灾种耦合事故后果。Further, the accident three-dimensional simulation module includes a basic scene generation module and an accident consequence simulation module, and the basic scene generation module is used to realize the mirror mapping of major infrastructures for oil and gas storage and transportation, including geographic information, building distribution, and transportation facilities. , the appearance of large equipment and the surrounding environment (such as the sky, topography), etc., the accident consequence simulation module is used to simulate the consequences of the domino accident of major oil and gas infrastructure caused by the Natech accident and the multi-hazard coupling accident consequences.
进一步的，所述基础场景生成模块包括倾斜摄影单元、激光点云单元和三维建模单元，所述倾斜摄影单元用于对油气储运重大基础设施室外基础场景的三维测绘，所述激光点云单元用于对油气储运重大基础设施室内基础场景的精细化建模，所述三维建模单元用于对油气储运重大基础设施地下基础场景和地上基础场景的补充建模。Further, the basic scene generation module includes an oblique photographing unit, a laser point cloud unit and a three-dimensional modeling unit, and the oblique photographing unit is used for 3D mapping of outdoor basic scenes of major infrastructure for oil and gas storage and transportation, and the laser point cloud The unit is used for refined modeling of indoor basic scenes of major infrastructure for oil and gas storage and transportation, and the 3D modeling unit is used for supplementary modeling of underground and above-ground basic scenes of major oil and gas storage and transportation infrastructure.
进一步的，所述事故后果仿真模块包括事故后果计算单元和事故后果可视化单元，所述事故后果计算单元用于计算事故结果，所述事故后果可视化单元用于根据所述事故结果进行动态仿真模拟。Further, the accident consequence simulation module includes an accident consequence calculation unit and an accident consequence visualization unit, the accident consequence calculation unit is used for calculating the accident result, and the accident consequence visualization unit is used for performing dynamic simulation according to the accident result.
进一步的，所述事故结果包括事故影响范围、可能伤亡人数和财产损失。Further, the accident result includes the scope of the accident, the number of possible casualties and property damage.
进一步的，所述事故后果可视化单元根据事故后果计算单元计算的事故后果，在油气储运重大基础设施基础场景中对应的设备周边，渲染扩散、火焰、爆炸、冲击波和高速碎片动态事故后果。Further, the accident consequence visualization unit renders the dynamic accident consequences of diffusion, flame, explosion, shock wave and high-speed debris around the corresponding equipment in the major infrastructure scene of oil and gas storage and transportation according to the accident consequences calculated by the accident consequence calculation unit.
进一步的，所述模型模块包括耦合概率模型单元和事故后果模型单元，所述耦合概率模型单元中包含多种类型灾害的致灾因子对于油气储运重大基础设施中主要设施的致损模型，所述事故后果模型单元中包含多种类型灾害的事故后果计算模型。Further, the model module includes a coupled probability model unit and an accident consequence model unit, and the coupled probability model unit includes the damage models of the hazard factors of various types of disasters for the main facilities in the major infrastructure for oil and gas storage and transportation, so The accident consequence model unit described above contains accident consequence calculation models for various types of disasters.
进一步的，所述数据库模块包括物联网感知库、地理信息库、场景库和危险化学品信息库，其中，Further, the database module includes an IoT perception library, a geographic information library, a scene library and a hazardous chemical information library, wherein,
所述物联网感知库用于储存油气重大基础设施场景中各类感知设备的传感器数据；The IoT perception library is used to store sensor data of various perception devices in major oil and gas infrastructure scenarios;
所述GIS地理信息库用于储存建构筑物、设备设施在地图上的地理信息；The GIS geographic information database is used to store the geographic information of buildings and equipment on the map;
所述场景库用于储存各类建构筑物、设备设施的三维模型，供所述事故三维仿真模块调用；The scene library is used to store three-dimensional models of various structures and equipment and facilities, which can be called by the three-dimensional simulation module of the accident;
所述危险化学品库用于储存用于油气储运重大基础设施内各类危险化学品对应的理化特性信息。The hazardous chemical library is used to store physical and chemical property information corresponding to various hazardous chemicals in the major infrastructure for oil and gas storage and transportation.
进一步的，所述数据库模块还包括管理信息库和企业库，其中，Further, the database module also includes a management information base and an enterprise base, wherein,
所述管理信息库用于储存平台登录账户信息；The management information base is used to store platform login account information;
所述企业库用于储存企业管理数据。The enterprise database is used for storing enterprise management data.
进一步的，所述物联网感知库中储存的传感器数据包括静态数据和动态数据。Further, the sensor data stored in the IoT perception library includes static data and dynamic data.
有益效果beneficial effect
本发明相对于现有技术，能够实现的有益效果至少如下：Compared with the prior art, the beneficial effects that the present invention can achieve are at least as follows:
（1）本系统在现有Natech事故分析方法的基础上，辨识了油气储运重大基础设施Natech事故多灾种耦合链路，可辨识出所有潜在的事故链路可能。(1) On the basis of the existing Natech accident analysis method, this system identifies the multi-hazard coupling link of the Natech accident in the major infrastructure of oil and gas storage and transportation, and can identify all potential accident links.
（2）本系统整合倾斜摄影、激光点云和三维建模软件技术，可实现对油气储运重大基础设施室外、室内、地下全场景设施精确逼真的还原。(2) This system integrates oblique photography, laser point cloud and 3D modeling software technology, which can realize accurate and realistic restoration of outdoor, indoor and underground facilities of major infrastructure for oil and gas storage and transportation.
（3）本系统可以在日常管理中，分析出多灾种耦合下各单元发生事故的概率和事故后果，为安全防护设施的合理布置及应急疏散演练提供依据；在事故发生后的应急救援阶段，多灾种耦合下事故最可能的传播路径和演化时间，为应急救援行动的开展提供决策支持。(3) This system can analyze the probability and consequences of accidents in each unit under the coupling of multiple disasters in daily management, and provide a basis for the reasonable arrangement of safety protection facilities and emergency evacuation drills; in the emergency rescue stage after the accident occurs , the most likely propagation path and evolution time of the accident under the coupling of multiple disasters, and provide decision support for the development of emergency rescue operations.
附图说明Description of drawings
图1为本发明油气重大基础设施多灾种事故耦合三维仿真系统结构示意图。FIG. 1 is a schematic structural diagram of the multi-hazard accident coupling three-dimensional simulation system for major oil and gas infrastructures according to the present invention.
图2为本发明事故链演化预测模块示意图。FIG. 2 is a schematic diagram of the accident chain evolution prediction module of the present invention.
图3为本发明场景库中元素分类示意图。FIG. 3 is a schematic diagram of element classification in the scene library of the present invention.
本发明的实施方式Embodiments of the present invention
下面结合具体实施例对本发明作进一步具体详细描述。The present invention will be further described in detail below in conjunction with specific embodiments.
如图1所示，本发明实施例提供了一种油气重大基础设施多灾种事故耦合三维仿真系统，包括四个模块，分别为事故三维仿真模块1、事故链演化预测模块2、模型模块3和数据库模块4，事故三维仿真模块1和事故链演化预测模块2分别与模型模块3及数据库模块4信号相连；且事故三维仿真模块1和事故链演化预测模块2信号相连。As shown in FIG. 1 , an embodiment of the present invention provides a multi-hazard accident coupling three-dimensional simulation system for major oil and gas infrastructure, including four modules, namely an accident three-dimensional simulation module 1, an accident chain evolution prediction module 2, and a model module 3. And the database module 4, the accident three-dimensional simulation module 1 and the accident chain evolution prediction module 2 are respectively connected with the model module 3 and the database module 4 signal; and the accident three-dimensional simulation module 1 and the accident chain evolution prediction module 2 are signally connected.
模型模块3用于为事故三维仿真模块1及事故链演化预测模块2提供计算模型，包括耦合概率模型单元31和事故后果模型单元32。The model module 3 is used to provide a calculation model for the accident three-dimensional simulation module 1 and the accident chain evolution prediction module 2 , and includes a coupled probability model unit 31 and an accident consequence model unit 32 .
耦合概率模型单元31中包含本领域技术人员已知的任何雷电、洪水、台风、地震等自然灾害及冲击波、热辐射、高速碎片等技术灾难的致灾因子对于油气储运重大基础设施中主要设施的致损模型。基于致损模型可以计算每个设备失效的概率，结合油气重大基础设施Natech事故演化事件树（请参阅图2）进而预测事故链路，计算各事故链路发生的概率，并输出概率值最大的事故链路，相关链路预测可利用本领域技术人员已知的任何链路预测方法，如基于蒙特卡洛模拟的预测方法、基于贝叶斯网络的预测方法，基于元胞自动机的预测方法等。The coupled probability model unit 31 includes any natural disasters such as lightning, floods, typhoons, earthquakes and other technical disasters known to those skilled in the art, and the hazard factors of technical disasters such as shock waves, thermal radiation, high-speed debris, etc. For major facilities in oil and gas storage and transportation major infrastructure damage model. Based on the damage model, the probability of failure of each equipment can be calculated, combined with the Natech accident evolution event tree of oil and gas major infrastructure (see Figure 2) to predict the accident link, calculate the probability of each accident link, and output the maximum probability value. The accident link, the relevant link prediction can use any link prediction method known to those skilled in the art, such as the prediction method based on Monte Carlo simulation, the prediction method based on Bayesian network, the prediction method based on cellular automata Wait.
事故后果模型单元32中包含本领域技术人员已知的任何事故后果计算模型，如气体泄漏量计算模型、气体扩散模型、液体泄漏模型、池火事故后果模型、喷射火事故后果模型、火球模型、闪火模型、蒸汽云爆炸模型、沸腾气体扩展蒸汽爆炸事故模型等。The accident consequence model unit 32 includes any accident consequence calculation model known to those skilled in the art, such as a gas leakage calculation model, a gas diffusion model, a liquid leakage model, a pool fire accident consequence model, a jet fire accident consequence model, a fireball model, Flash fire model, steam cloud explosion model, boiling gas extended steam explosion accident model, etc.
数据库模块4用于为系统中事故三维仿真模块1及事故链演化预测模块2提供实时数据，包括管理信息库41、物联网感知库42、地理信息库43、企业库44、场景库45和危险化学品信息库46。The database module 4 is used to provide real-time data for the accident three-dimensional simulation module 1 and the accident chain evolution prediction module 2 in the system, including the management information database 41, the Internet of Things perception database 42, the geographic information database 43, the enterprise database 44, the scene database 45 and the danger database. Chemical Information Library 46.
管理信息库41，用于储存平台登录账户信息。The management information base 41 is used to store platform login account information.
物联网感知库42，用于储存油气重大基础设施场景中各类感知设备的传感器数据，具体包括场景中危险源种类、性质、脆弱性目标、监控设备数量、位置、监测对象等静态数据，及危险源数量、场景周边气象信息等实时动态数据。The IoT perception library 42 is used to store sensor data of various perception devices in major oil and gas infrastructure scenarios, specifically including static data such as the type, nature, vulnerability target, number of monitoring devices, locations, and monitoring objects in the scenario, and Real-time dynamic data such as the number of hazard sources and weather information around the scene.
GIS地理信息库43，用于储存建构筑物、设备设施在地图上的详细地理信息。The GIS geographic information database 43 is used to store detailed geographic information of buildings and equipment on the map.
场景库45，用于储存建模软件如3Ds Max、CAD等提前构建的油气储运重大基础设施各类常见建构筑物、设备设施三维模型，提前构建的三维模型均可自由移动、缩放和旋转，可供三维建模单元113建模时迅速调用。如图3所示，场景库45中包含三类元素，分别为背景元素、事故场景元素和自定义形体元素。背景元素包含天空、绿地、水源、雨雪、雷电、洪水、暴风等通用的场景元素；事故场景元素包含地形地貌、建构筑物、设备设施、地下管廊等油气重大基础设施专用场景元素；自定义形体模块包含常见自定义点、自定义线、自定义平面和自定义立方体，用于对三维场景进行修饰。The scene library 45 is used to store the 3D models of various common structures, equipment and facilities of major oil and gas storage and transportation infrastructures built in advance by modeling software such as 3Ds Max and CAD. The 3D models built in advance can be freely moved, scaled and rotated. It can be called quickly when the 3D modeling unit 113 is modeling. As shown in FIG. 3 , the scene library 45 includes three types of elements, namely background elements, accident scene elements and custom body elements. Background elements include common scene elements such as sky, green space, water source, rain and snow, thunder and lightning, floods, storms, etc.; accident scene elements include terrain, structures, equipment and facilities, underground pipe corridors and other special scene elements for oil and gas major infrastructure; custom The shape module contains common custom points, custom lines, custom planes, and custom cubes for decorating 3D scenes.
危险化学品信息库46，用于储存油气储运重大基础设施内各类危险化学品对应的理化特性信息，如熔点、沸点、闪点、燃点等本领域任何相关的理化信息。The hazardous chemicals information database 46 is used to store physical and chemical property information corresponding to various hazardous chemicals in major oil and gas storage and transportation infrastructures, such as melting point, boiling point, flash point, flash point, and other relevant physical and chemical information in the field.
事故三维仿真模块1接收事故链演化预测模块2、模型模块3和数据库模块4的各类数据和信息，用于油气储运重大基础设施基础场景的镜像映射和三维事故后果的生成，展示Natech事故引发油气重大基础设施多米诺事故多灾种耦合事故场景，其包括基础场景生成模块11和事故后果仿真模块12。The accident 3D simulation module 1 receives various data and information from the accident chain evolution prediction module 2, the model module 3 and the database module 4, which are used for the mirror mapping of major infrastructure scenarios of oil and gas storage and transportation and the generation of 3D accident consequences, showing the Natech accident A multi-hazard coupled accident scenario causing a domino accident in major oil and gas infrastructure includes a basic scenario generation module 11 and an accident consequence simulation module 12 .
基础场景生成模块11用于实现对油气储运重大基础设施的镜像映射，包括地理信息、建筑物分布、交通设施、大型设备形貌及周边环境（如天空、地形地貌）等；事故后果仿真模块12用于模拟Natech事故引发油气重大基础设施多米诺事故多灾种耦合事故后果。The basic scene generation module 11 is used to realize the mirror mapping of major oil and gas storage and transportation infrastructure, including geographic information, building distribution, transportation facilities, large equipment appearance and surrounding environment (such as sky, topography), etc.; accident consequence simulation module 12 is used to simulate the consequences of multi-hazard coupling accidents caused by the Natech accident in major oil and gas infrastructure domino accidents.
基础场景生成模块11包括倾斜摄影单元111、激光点云单元112和三维建模单元113，这三个单元共同生成油气储运重大基础设施基础场景。其中，倾斜摄影单元111为室外基础场景主要生成技术，利用无人机飞行平台搭载多台传感器从不同角度同步采集影像，大范围、高精度、高清晰的方式全面感知复杂场景，可以快速实现对油气储运重大基础设施室外基础场景的三维测绘；激光点云单元112为室内场景主要生成技术，利用三维激光扫描技术对室内场景扫描，通过对形成的点云数据进行去噪、压缩、平滑操作，结合油气储运重大基础设施GIS地理信息库43可以实现对油气储运重大基础设施室内基础场景的精细化建模；三维建模单元113为地下场景的主要生成技术和其他场景的重要补充技术，利用建模软件如3Ds Max、CAD等对事故场景大致形貌提前进行三维建模生成的场景库45，调用场景库45中的模型对事故场景地下基础场景进行三维建模。The basic scene generation module 11 includes an oblique photography unit 111 , a laser point cloud unit 112 and a three-dimensional modeling unit 113 , and these three units jointly generate a basic scene of major infrastructure for oil and gas storage and transportation. Among them, the oblique photographing unit 111 is the main generation technology for outdoor basic scenes. The drone flight platform is equipped with multiple sensors to synchronously collect images from different angles, and comprehensively perceive complex scenes in a large-scale, high-precision and high-definition way, which can quickly realize the detection of complex scenes. 3D surveying and mapping of outdoor basic scenes of major infrastructure for oil and gas storage and transportation; the laser point cloud unit 112 is the main generation technology for indoor scenes, using 3D laser scanning technology to scan indoor scenes, and denoising, compressing and smoothing the formed point cloud data , combined with the GIS geographic information database 43 of major infrastructure for oil and gas storage and transportation, the refined modeling of indoor basic scenes of major infrastructure for oil and gas storage and transportation can be realized; the three-dimensional modeling unit 113 is the main generation technology for underground scenes and important supplementary technology for other scenes , using modeling software such as 3Ds Max, CAD, etc. to perform 3D modeling of the accident scene in advance to generate a scene library 45, and call the model in the scene library 45 to perform 3D modeling of the underground basic scene of the accident scene.
事故后果仿真模块12用于在油气储运重大基础设施基础场景中，模拟Natech事故引发油气重大基础设施多米诺事故多灾种耦合事故后果，包括事故后果计算单元121和事故后果可视化单元122。The accident consequence simulation module 12 is used for simulating the multi-hazard coupled accident consequence of the major oil and gas infrastructure domino accident caused by the Natech accident in the oil and gas storage and transportation major infrastructure infrastructure scenario, and includes an accident consequence calculation unit 121 and an accident consequence visualization unit 122.
事故后果计算单元121，根据事故链演化预测模块2确定的概率最大的事故链路及对应各个设备的事故类型和事故后果，结合危险化学品基本信息库46和事故后果模型单元32中对应事故的计算模型，计算事故影响范围、可能伤亡人数和财产损失等事故结果；事故后果可视化模块122，根据事故后果计算单元121计算的数据，运用三维引擎中的粒子系统，在油气储运重大基础设施基础场景中对应的设备周边，渲染扩散、火焰、爆炸、冲击波、高速碎片等动态事故后果。The accident consequence calculation unit 121 , according to the accident chain with the highest probability determined by the accident chain evolution prediction module 2 and the accident type and accident consequence corresponding to each equipment, combined with the basic information database 46 of hazardous chemicals and the accident consequence model unit 32 corresponding to the accident. The calculation model calculates the accident results such as the scope of the accident, the number of possible casualties, and property losses; the accident consequence visualization module 122, according to the data calculated by the accident consequence calculation unit 121, uses the particle system in the 3D engine to implement major infrastructure foundations for oil and gas storage and transportation. Dynamic accident consequences such as diffusion, flames, explosions, shock waves, and high-speed debris are rendered around the corresponding equipment in the scene.
事故链演化预测模块2用于预测Natech事故引发油气重大基础设施多米诺事故多灾种耦合事故场景。油气重大基础设施Natech事故演化如图2所示，自然灾害，如台风、洪水、地震、雷电等，作用于油气储运设备，致其失效，根据油气储运设备内部承装介质不同，分别导致气相危险物质泄漏和液相危险物质泄漏，进一步导致各类事故，各类型事故与自然灾害间相互耦合，可能会导致周边设备设施失效，引发场景中长链事故。The accident chain evolution prediction module 2 is used to predict the multi-hazard coupled accident scenario of the major oil and gas infrastructure domino accident caused by the Natech accident. The evolution of major oil and gas infrastructure Natech accidents is shown in Figure 2. Natural disasters, such as typhoons, floods, earthquakes, lightning, etc., act on oil and gas storage and transportation equipment, causing them to fail. The leakage of gas-phase hazardous substances and liquid-phase hazardous substances further leads to various accidents, and the coupling between various types of accidents and natural disasters may cause the failure of surrounding equipment and facilities, resulting in long-chain accidents in the scene.
气相危险物质泄漏事故中，若危险物质为可燃气体，一旦遇到点火源，将导致蒸汽云爆炸（VCE）事故，爆炸事故将以冲击波、热辐射、高速碎片等方式，诱发邻近设备发生事故，可能导致池火灾、喷射火、火球、闪火、沸腾液体蒸汽爆炸事故（BLEVE）、物理爆炸、约束爆炸等事故类型；若危险物质为可燃气体，但未遇到点火源，将可能导致闪火事故，事故将以热辐射等方式，点燃邻近设备；若危险物质仅是有毒有害气体，将导致池火灾事故，池火灾事故将以热辐射等方式，诱发邻近设备发生事故，可能导致池火灾、喷射火、沸腾液体蒸汽爆炸事故（BLEVE）等事故类型。In the leakage accident of gas-phase hazardous substances, if the hazardous substance is a flammable gas, once it encounters an ignition source, it will cause a vapor cloud explosion (VCE) accident. May cause pool fire, jet fire, fireball, flash fire, boiling liquid vapor explosion accident (BLEVE), physical explosion, restraint explosion and other accident types; if the dangerous substance is flammable gas, but no ignition source is encountered, it may cause flash fire Accident, the accident will ignite the adjacent equipment by means of thermal radiation; if the dangerous substance is only toxic and harmful gas, it will lead to a pool fire accident, and the pool fire accident will induce an accident in the adjacent equipment by means of thermal radiation, etc., which may lead to pool fire, Jet fire, Boiling Liquid Vapor Explosion (BLEVE) and other accident types.
液相危险物质泄漏事故中，若危险物质遇到点火源，不是可燃气体，将导致有毒有害气体事故；若危险物质遇到点火源，是可燃气体，将发生爆炸事故，爆炸事故将以冲击波、热辐射、高速碎片等方式，诱发邻近设备发生事故，可能导致池火灾、喷射火、火球、闪火、沸腾液体蒸汽爆炸事故（BLEVE）、物理爆炸、约束爆炸等事故类型。诱发邻近设备发生事故，可能导致池火灾、喷射火、火球、闪火、沸腾液体蒸汽爆炸事故（BLEVE）、物理爆炸、约束爆炸等事故类型。In a liquid-phase hazardous substance leakage accident, if the hazardous substance encounters an ignition source, which is not a flammable gas, it will lead to a toxic and harmful gas accident; if the hazardous substance encounters an ignition source and is a flammable gas, an explosion accident will occur. Thermal radiation, high-speed debris, etc., induce accidents in adjacent equipment, which may lead to accident types such as pool fires, jet fires, fireballs, flash fires, boiling liquid vapor explosion accidents (BLEVE), physical explosions, and restraint explosions. Induce accidents in adjacent equipment, which may lead to accident types such as pool fires, jet fires, fireballs, flash fires, boiling liquid vapor explosion accidents (BLEVE), physical explosions, and restraint explosions.
本实施例在现有Natech事故分析方法的基础上，综合考虑油气储运重大基础设施Natech事故多灾种耦合链路，分析多灾种耦合下各单元发生事故的概率和事故后果，开展多灾种耦合下的多米诺事故风险评估，整合倾斜摄影、激光点云和三维建模软件技术，实现对油气储运重大基础设施室外、室内、地下全场景设施精确逼真的还原；在日常管理中，分析出多灾种耦合下各单元发生事故的概率和事故后果，为安全防护设施的合理布置及应急疏散演练提供依据；在事故发生后的应急救援阶段，分析出多灾种耦合下事故最可能的传播路径和演化时间，为应急救援行动的开展提供决策支持。Based on the existing Natech accident analysis method, this embodiment comprehensively considers the multi-hazard coupling link of Natech accidents in major oil and gas storage and transportation infrastructures, analyzes the probability of accidents and accident consequences of each unit under the multi-hazard coupling, and conducts multi-hazards Domino accident risk assessment under this kind of coupling, integrating oblique photography, laser point cloud and 3D modeling software technology, to achieve accurate and realistic restoration of outdoor, indoor and underground facilities of major oil and gas storage and transportation infrastructure; in daily management, analysis The probability and consequences of accidents in each unit under the coupling of multiple disasters are analyzed, which provides a basis for the rational arrangement of safety protection facilities and emergency evacuation drills; in the emergency rescue stage after the accident, the most likely accidents under the coupling of multiple disasters are analyzed. The propagation path and evolution time provide decision support for the development of emergency rescue operations.
本发明的实施方式并不受上述实施例的限制，其他任何未背离本发明的精神实质与原理下所作的改变、修饰、替代、组合、简化，均应为等效的置换方式，都包含在本发明的保护范围之内。The embodiments of the present invention are not limited by the above-mentioned examples, and any other changes, modifications, substitutions, combinations and simplifications made without departing from the spirit and principle of the present invention shall be equivalent substitution methods, which are included in the within the protection scope of the present invention.

Claims (10)

  1. 一种油气重大基础设施多灾种事故耦合三维仿真系统，其特征在于，包括事故三维仿真模块（1）、事故链演化预测模块（2）、模型模块（3）和数据库模块（4），A multi-hazard accident coupling three-dimensional simulation system for major oil and gas infrastructure, characterized by comprising an accident three-dimensional simulation module (1), an accident chain evolution prediction module (2), a model module (3) and a database module (4),
    所述事故三维仿真模块（1）和所述事故链演化预测模块（2）分别与所述模型模块（3）及所述数据库模块（4）信号相连；且所述事故三维仿真模块（1）和所述事故链演化预测模块（2）信号相连；其中，The accident three-dimensional simulation module (1) and the accident chain evolution prediction module (2) are signally connected to the model module (3) and the database module (4) respectively; and the accident three-dimensional simulation module (1) is connected to the signal of the accident chain evolution prediction module (2); wherein,
    所述事故三维仿真模块（1）用于油气储运重大基础设施基础场景的镜像映射和三维事故后果的生成；The three-dimensional accident simulation module (1) is used for the mirror mapping of the basic scene of the major infrastructure of oil and gas storage and transportation and the generation of three-dimensional accident consequences;
    所述事故链演化预测模块（2）用于预测Natech事故引发油气重大基础设施多米诺事故多灾种耦合事故场景；The accident chain evolution prediction module (2) is used to predict the multi-hazard coupled accident scenario of the major oil and gas infrastructure domino accident caused by the Natech accident;
    所述模型模块（3）用于为所述事故三维仿真模块（1）和所述事故链演化预测模块（2）提供模型；The model module (3) is used to provide a model for the accident three-dimensional simulation module (1) and the accident chain evolution prediction module (2);
    所述数据库模块（4）用于为所述事故三维仿真模块（1）和所述事故链演化预测模块（2）提供实时数据。The database module (4) is used for providing real-time data for the accident three-dimensional simulation module (1) and the accident chain evolution prediction module (2).
  2. 根据权利要求1所述的一种油气重大基础设施多灾种事故耦合三维仿真系统，其特征在于，所述事故三维仿真模块（1）包括基础场景生成模块（11）和事故后果仿真模块（12），所述基础场景生成模块（11）用于实现对油气储运重大基础设施的镜像映射，所述事故后果仿真模块（12）用于模拟Natech事故引发油气重大基础设施多米诺事故多灾种耦合事故后果。A multi-hazard accident coupling 3D simulation system for major oil and gas infrastructure according to claim 1, characterized in that the accident 3D simulation module (1) comprises a basic scene generation module (11) and an accident consequence simulation module (12) ), the basic scene generation module (11) is used to realize the mirror mapping of major oil and gas storage and transportation infrastructure, and the accident consequence simulation module (12) is used to simulate the multi-hazard coupling of major oil and gas infrastructure domino accidents caused by the Natech accident accident consequences.
  3. 根据权利要求2所述的一种油气重大基础设施多灾种事故耦合三维仿真系统，其特征在于，所述基础场景生成模块（11）包括倾斜摄影单元（111）、激光点云单元（112）和三维建模单元（113），所述倾斜摄影单元（111）用于对油气储运重大基础设施室外基础场景的三维测绘，所述激光点云单元（112）用于对油气储运重大基础设施室内基础场景的精细化建模，所述三维建模单元（113）用于对油气储运重大基础设施地下基础场景和地上基础场景的补充建模。The multi-hazard accident coupling three-dimensional simulation system for major oil and gas infrastructure according to claim 2, wherein the basic scene generation module (11) comprises an oblique photography unit (111), a laser point cloud unit (112) and a three-dimensional modeling unit (113), the oblique photography unit (111) is used for three-dimensional mapping of outdoor basic scenes of major infrastructure for oil and gas storage and transportation, and the laser point cloud unit (112) is used for major infrastructure for oil and gas storage and transportation The refined modeling of the indoor basic scene of the facility, the three-dimensional modeling unit (113) is used for supplementary modeling of the underground basic scene and the above-ground basic scene of the major infrastructure for oil and gas storage and transportation.
  4. 根据权利要求2所述的一种油气重大基础设施多灾种事故耦合三维仿真系统，其特征在于，所述事故后果仿真模块（12）包括事故后果计算单元（121）和事故后果可视化单元（122），所述事故后果计算单元（121）用于计算事故结果，所述事故后果可视化单元（122）用于根据所述事故结果进行动态仿真模拟。A multi-hazard accident coupling three-dimensional simulation system for major oil and gas infrastructure according to claim 2, characterized in that the accident consequence simulation module (12) comprises an accident consequence calculation unit (121) and an accident consequence visualization unit (122) ), the accident consequence calculation unit (121) is used to calculate the accident result, and the accident consequence visualization unit (122) is used to perform dynamic simulation according to the accident result.
  5. 根据权利要求4所述的一种油气重大基础设施多灾种事故耦合三维仿真系统，其特征在于，所述事故结果包括事故影响范围、可能伤亡人数和财产损失。A multi-hazard accident coupling three-dimensional simulation system for major oil and gas infrastructures according to claim 4, wherein the accident results include the scope of the accident, the number of possible casualties and property losses.
  6. 根据权利要求4所述的一种油气重大基础设施多灾种事故耦合三维仿真系统，其特征在于，所述事故后果可视化单元（122）根据事故后果计算单元（121）计算的事故后果，在油气储运重大基础设施基础场景中对应的设备周边，渲染扩散、火焰、爆炸、冲击波和高速碎片动态事故后果。A multi-hazard accident coupling three-dimensional simulation system for major oil and gas infrastructure according to claim 4, characterized in that, the accident consequence visualization unit (122) calculates the accident consequence according to the accident consequence calculated by the accident consequence calculation unit (121), in the oil and gas The surrounding equipment in the basic scene of storage and transportation of major infrastructure, rendering diffusion, flames, explosions, shock waves and dynamic accident consequences of high-speed debris.
  7. 根据权利要求1所述的一种油气重大基础设施多灾种事故耦合三维仿真系统，其特征在于，所述模型模块（3）包括耦合概率模型单元（31）和事故后果模型单元（32），所述耦合概率模型单元（31）中包含多种类型灾害的致灾因子对于油气储运重大基础设施中主要设施的致损模型，所述事故后果模型单元（32）中包含多种类型灾害的事故后果计算模型。A coupled three-dimensional simulation system for multi-hazard accidents of major oil and gas infrastructure according to claim 1, wherein the model module (3) comprises a coupled probability model unit (31) and an accident consequence model unit (32), The coupled probability model unit (31) includes the hazard-causing factors of various types of disasters for the damage models of major facilities in the major infrastructure for oil and gas storage and transportation, and the accident consequence model unit (32) includes the damage models of various types of disasters. Accident consequence calculation model.
  8. 根据权利要求1-7任一所述的一种油气重大基础设施多灾种事故耦合三维仿真系统，其特征在于，所述数据库模块（4）包括物联网感知库（42）、地理信息库（43）、场景库（45）和危险化学品信息库（46），其中，A multi-hazard accident coupling three-dimensional simulation system for major oil and gas infrastructure according to any one of claims 1-7, wherein the database module (4) comprises an Internet of Things perception database (42), a geographic information database ( 43), scene library (45) and hazardous chemicals information library (46), of which,
    所述物联网感知库（42）用于储存油气重大基础设施场景中各类感知设备的传感器数据；The IoT sensing library (42) is used to store sensor data of various sensing devices in major oil and gas infrastructure scenarios;
    所述GIS地理信息库（43）用于储存建构筑物、设备设施在地图上的地理信息；The GIS geographic information database (43) is used to store the geographic information of buildings, equipment and facilities on the map;
    所述场景库（45）用于储存各类建构筑物、设备设施的三维模型，供所述事故三维仿真模块（1）调用；The scene library (45) is used to store three-dimensional models of various structures and equipment and facilities, which can be called by the accident three-dimensional simulation module (1);
    所述危险化学品库（46）用于储存用于油气储运重大基础设施内各类危险化学品对应的理化特性信息。The hazardous chemical library (46) is used to store physical and chemical property information corresponding to various hazardous chemicals in major infrastructure for oil and gas storage and transportation.
  9. 根据权利要求8所述的一种油气重大基础设施多灾种事故耦合三维仿真系统，其特征在于，所述数据库模块（4）还包括管理信息库（41）和企业库（44），其中，The multi-hazard accident coupling three-dimensional simulation system for major oil and gas infrastructure according to claim 8, wherein the database module (4) further comprises a management information database (41) and an enterprise database (44), wherein,
    所述管理信息库（41）用于储存平台登录账户信息；The management information base (41) is used to store platform login account information;
    所述企业库（44）用于储存企业管理数据。The enterprise database (44) is used for storing enterprise management data.
  10. 根据权利要求8所述的一种油气重大基础设施多灾种事故耦合三维仿真系统，其特征在于，所述物联网感知库（42）中储存的传感器数据包括静态数据和动态数据。The multi-hazard accident coupling three-dimensional simulation system for major oil and gas infrastructure according to claim 8, wherein the sensor data stored in the IoT perception library (42) includes static data and dynamic data.
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